... sine wave output 2000w power inverter with charger EP3000 series inverter pure sine wave output1 ... 12V DC, 24V DC, 48V DC4, battery charger buit in: 35-70amp5, pure cooper transformer ... 240V SelectableInput Frequency47Hz ~ 65Hz, 50/60Hz auto-sensingEfficiency (Normal mode)99%Noise FilteringFull time ... -circuit battery.Auto-detection each time when power on or every 6 days.SOLAR CHARGER Rating voltage12V ...